AS5030 AB austriamicrosystems, AS5030 AB Datasheet - Page 36

• Manufacturer Part Number: AS5030 AB
• Description: BOARD ADAPTER AS5030
• Manufacturer: austriamicrosystems

Specifications of AS5030 AB

• Sensor Type: Magnetic, Rotary Position
• Sensing Range: 360°
• Interface: Serial
• Voltage - Supply: 5V
• Embedded: No
• Utilized Ic / Part: AS5030
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS compliant by exemption
• Sensitivity: -

AS5030
Datasheet - A p p l i c a t i o n I n f o r m a t i o n
Sensitivity Trimming.
airgap on each part. For example, at 1mm vertical distance, the AGC may read a value between ~11 ~ 24. This is because for normal operation
an exact trimming is not required since the AGC is part of a closed loop system.
However, the AS5030 offers an optional user trimming in the OTP to allow an even tighter AGC tolerance for applications where the information
about magnetic field strength is also utilized, e.g. for rotate-and-push types of knobs, etc.
8.9
Figure 31. Vertical Magnetic Fields of a Rotating Magnet
Note: There is no strict requirement on the type or shape of the magnet to be used with the AS5030. It can be cylindrical as well as square in
www.austriamicrosystems.com/AS5030
Choosing the Proper Magnet
shape. The key parameter is that the vertical magnetic field B
peak amplitude of 20 ~ 80mT.
As the curves for the 4 samples in
component
Vertical field
Vertical field
component
Bz
0
Figure 30
N
(20…80mT)
Revision 2.1
z
show, the AGC value will not show exactly the same value at a given
R1
, measured at a radius of 1mm from the rotation axis is sinusoidal with a
typ. 6mm diameter
R1 concentric circle;
radius 1.0 mm
S
Magnet axis
Magnet axis
N
360
S
36 - 44